Lisa Vanderpump announced she would not be attending Camille Grammer's wedding in a dramatic tete-a-tete Tuesday on The Real Housewives Of Beverly Hills.

The longtime friends met at Lisa's Beverly Hills mansion Villa Rosa to mend fences in the wake of Puppygate, the dog-adoption scandal that revealed long-simmering tensions between the cast.

'I've always really cared about you,' Lisa, 58, told Camille, pointing out that she'd been the one to encourage Kelsey Grammer's ex to get remarried.

Not going: Lisa Vanderpump informed Camille Grammer that she would not be attending her upcoming wedding during Tuesday's episode of The Real Housewives Of Beverly Hills

'I just. ...I can't make the wedding,' she said.

In a confessional, Lisa explained: 'As much as I want to see Camille get married, I'm not going to put myself in that situation, with them all against me. Let the real b****es of Beverly Hills go on their own.'

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She saved her greatest barbs for former friend Kyle Richards, 50, who appeared to have taken the other women's side in the controversy.

'She might as well have hit me round the face,' Lisa admitted. 'I said, ''Get out'' [to her]—but I also meant, ''Get out of my life''.'

Bride to be: Camille stopped by to visit Lisa at her Beverly Hills mansion Villa Rosa

Face blow: Lisa said that Kyle Richards might as well have hit her in the face after siding with the others amid the Puppygate drama

'You guys have been so close for so long, and [have] a very special friendship,' Camille, 50, pointed out.

'We don't. It's done,' Lisa said.

'I think Kyle Richards just enjoyed throwing me under the bus a little too much,' she added to the camera later. 'Unless she changed her position and apologized. I have no intention of seeing her again.'

It's over: The 58-year-old British restaurateur in a confessional said she had no intention of seeing Kyle again

'This is not the Lisa that I knew,' said Camille, suggesting that her friend was playing the victim. 'The Lisa that I knew would show up.'

'What am I supposed to do? Take a lie detector test?' asked Lisa, who was seen taking one at the end of the episode in a preview of next week's show. 'Is that what they want me to do?'

Earlier, Lisa showed off her new kitchen to John Sessa, the executive director of Vanderpump Dogs. White marble counters, stainless appliances and pale pink dishware gave it a clean glow.

She's changed: Camille suggested that Lisa was playing the victim and said it was 'not the Lisa that I knew'

'It's been a horrible few months, but now, suddenly this makes it feel so much better, right?' Lisa asked.

'It is very Lisa Vanderpump. And she deserves it, you know?' Sessa said.

'Some people think so,' Lisa laughed. 'Some people, not so much.'

New kitchen: Lisa during the season nine episode also showed off her new kitchen

The before: A before photo showed the kitchen that Lisa felt was too dark

The after: White marble counters, stainless appliances and pale pink dishware gave her new kitchen a clean glow

She might have been speaking about castmates Dorit Kemsley, 42; Kyle, and Teddi Mellencamp Arroyave, 37.

With their minds off Puppygate for the moment, the group met up to attend their pal Erika Girardi's sold-out Pretty Mess concert at the Globe Theatre in Los Angeles.

Erika, 47, during the episode titled The Show Must Go On said she'd always wanted to headline her own tour and had been slowly moving up from smaller venues.

On tour: Erika Girardi during the episode titled The Show Must Go On said she'd always wanted to headline her own tour and had been slowly moving up from smaller venues

She made it clear the night was an important one for her and creative director Mikey yelled 'Big d*** energy!' as she threw her all into the rehearsal.

'I'm not gonna lie and sit here and be shy and bulls*** humble,' Erika noted. 'No, motherf***er, I've been dreaming this s*** up since I was a baby.'

'There's a pressure to L.A. that is unmatched,' she acknowledged. 'You're performing in front of other performers. Am I nervous? Of course.'

Getting ready: The 47-year-old singer worked hard during rehearsal

Her 79-year-old husband Tom, a powerhouse trial lawyer who helped get the show off the ground, also was going to attend intensifying her nerves.

'There's always pressure when Tom is in the audience,' she said. 'Putting the show on is an expensive project. I want Tom to see where all the hard work and money have gone.'

Lisa Rinna, who's had the same short hair 'for 20 years,' surprised everyone by showing up with a sleek brown ponytail.

High pressure: Erika admitted to feeling added pressure with her husband Tom, 79, in the audience

New look: Lisa Rinna debuted a new ponytail look while attending the concert with Kyle, Dorit Kemsley and Teddi Mellencamp Arroyave

'My goal is, before I die, to have another hairdo,' she said.

The crowd went wild for Erika, who stomped across the stage in black thigh high boots and a short spangled dress, singing her iTunes Top 40 hit, Xxpen$ive.

But halfway through another song, the power blew and the sound went out.

Fan favorite: The crowd went wild as Erika performed at the Globe Theatre in downtown Los Angeles

Music malfunction: The music stopped in the middle of Erika's performance

'They f***ed up the sound, it's so horrible,' said a mortified Kyle.

Erika got the crowd clapping until the sound came back.

'You're live. The thing is, you can't point attention to it,' Rinna, 55, said. 'You just keep on going.'

So horrible: Kyle was mortified when the sound went out during the show

As friends thronged her backstage, Erika shrugged it off.

'Well, we blew the power, blew up the place, it was great. That's rock and roll,' she said.

Backstage, the friends tried on Erika's red sequined boots in front of their husbands, who referred to themselves as 'the Three Stooges.'

Rock attitude: Erika shrugged it off and said blowing the power was part of 'rock and roll'

Kyle straddled her husband and made out with him.

Teddi seemed envious, saying of sex with husband Edwin the day before: 'We put on music and he only lasted two minutes.'

'What was the song?' asked Dorit.

Lap dance: Kyle gave her husband Mauricio Umansky a lap dance backstage after the show

Good question: Dorit asked Teddi what song she and husband Edwin were listening to during their two-minute sex session

'Party In The USA,' Teddi replied referencing the Miley Cyrus hit and sending everyone into gales of laughter.

It was a happy moment, but throughout the episode, many of the women shared the guilt they felt for not spending more time with their kids.

Denise Richards, 48, was subdued as she made preparations to leave for Miami, where she planned to film a 'really edgy and sexy and provocative' TV show.

Party song: Teddi revealed they had quick sex to the Miley Cyrus hit Party In The USA

'For me, being on set is a vacation,' she admitted before saying goodbye to daughter Eloise, seven.

On her way to the airport, she visited with daughter Sami, 14, who was getting her makeup and hair done in preparation for a homecoming dance first date.

Her father Charlie Sheen was shown in a flashback approving of her date when asked, saying she could go 'If you think it's the right person to go with.'

Busy mom: Denise Richards on the way to the airport visited with daughter Sami, 14, who was getting ready for her homecoming dance first date

Glam squad: The teenager employed a glam squad to help with hair and makeup

'In the olden days, when I was growing up, my mom did my hair and makeup before a dance,' Denise said. 'These girls in Beverly Hills, they have a glam squad.'

She grew tearful as she said goodbye, regretting that she would miss her daughter's dance.

'I feel so bad that I'm not here… these are the things with working that's hard. I miss stuff,' Denise admitted.

Olden days: Denise said that her mother did her hair and makeup before a dance

Getting emotional: The Wild Things star wiped away tears as work obligations forced her to miss seeing Sami in her homecoming dance dress

As husband Aaron Phypers drove her to the airport, she told him she'd miss him, too, asking if he thought he could go four days without sex.

'You can jerk off while we have phone sex,' she said. 'It's better than nothing!'

Kyle and Teddi met up at a salon to get pedicures with two of their daughters.

Salon session: Kyle and Teddi met up at a salon to get pedicures with two of their daughters

They spoke about their overwhelming obligations and how they affected their families.

'The mom guilt is so bad,' said Kyle, noting that she would be closing all but one of her clothing stores, Kyle by Alene Too.

'It's a lot, having four kids, and a husband, and the stores,' she explained, mentioning that she didn't even have her dress for Camille's wedding yet, despite being a bridesmaid and leaving for the Hawaii nuptials in two days.

Mom guilt: The reality star admitted that 'mom guilt is so bad' and revealed she would be closing all but one of her clothing stores, Kyle by Alene Too

Teddi said it felt like her son Cruz, four, was punishing her for working so much.

'We have over 500 [clients], and each month we've had our best month yet,' she revealed.

'Working and being a wife and a mom, it kind of all ties in together. Sometimes I mismanage. The other day I was putting them to bed and Slate looked me right in the eye, and said, ''Mom, you're rushing bedtime.'' My kids always know.'

Growing business: Teddi said her son Cruz, four, was punishing her for working so much